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QProgressDialog: make the cancel button retranslate on LanguageChange

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It is documented to be, and the LanguageChange event is caught and processed.
However, retranslateStrings() uses QProgressDialog::setCancelButtonText(),
which unconditionally sets useDefaultCancelText=true, blocking any further
changes to the button text by subsequent LanguageChange events.

The fix is to use extracted QProgressDialogPrivate::setCancelButtonText()
which - quite intentionally - doesn't set useDefaultCancelText.

Task-number: QTBUG-40504
Change-Id: I6e701deda10c454cb088c0b0778ac2d6adff574a
Reviewed-by: David Faure <david.faure@kdab.com>
This commit is contained in:
Marc Mutz 2014-07-29 23:32:13 +02:00
parent ab79a8a76c
commit c7386938b4
2 changed files with 46 additions and 2 deletions
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3
src/widgets/dialogs/qprogressdialog.cpp
View File

@ -179,9 +179,8 @@ void QProgressDialogPrivate::layout()
void QProgressDialogPrivate::retranslateStrings()
{
Q_Q(QProgressDialog);
if (useDefaultCancelText)
q->setCancelButtonText(QProgressDialog::tr("Cancel"));
setCancelButtonText(QProgressDialog::tr("Cancel"));
}
void QProgressDialogPrivate::_q_disconnectOnClose()

45
tests/auto/widgets/dialogs/qprogressdialog/tst_qprogressdialog.cpp
View File

@ -50,6 +50,7 @@
#include <qlabel.h>
#include <qpointer.h>
#include <qthread.h>
#include <qtranslator.h>
class tst_QProgressDialog : public QObject
{
@ -63,6 +64,7 @@ private Q_SLOTS:
void task198202();
void QTBUG_31046();
void settingCustomWidgets();
void i18n();
};
void tst_QProgressDialog::cleanup()
@ -234,5 +236,48 @@ void tst_QProgressDialog::settingCustomWidgets()
#endif
}
class QTestTranslator : public QTranslator
{
const QString m_str;
public:
explicit QTestTranslator(QString str) : m_str(qMove(str)) {}
QString translate(const char *, const char *sourceText, const char *, int) const Q_DECL_OVERRIDE
{ return m_str + sourceText + m_str; }
bool isEmpty() const Q_DECL_OVERRIDE { return false; }
};
template <typename Translator>
class QTranslatorGuard {
Translator t;
public:
template <typename Arg>
explicit QTranslatorGuard(Arg a) : t(qMove(a))
{ qApp->installTranslator(&t); }
~QTranslatorGuard()
{ qApp->removeTranslator(&t); }
};
void tst_QProgressDialog::i18n()
{
QProgressDialog dlg;
QPushButton *btn = dlg.findChild<QPushButton*>();
QVERIFY(btn);
const QString xxx = QStringLiteral("xxx");
{
QTranslatorGuard<QTestTranslator> guard(xxx);
{
QPushButton *btn = dlg.findChild<QPushButton*>();
QVERIFY(btn);
QTRY_COMPARE(btn->text(), QProgressDialog::tr("Cancel"));
QVERIFY(btn->text().startsWith(xxx));
}
}
QVERIFY(btn);
QTRY_COMPARE(btn->text(), QProgressDialog::tr("Cancel"));
QVERIFY(!btn->text().startsWith(xxx));
}
QTEST_MAIN(tst_QProgressDialog)
#include "tst_qprogressdialog.moc"